Re: Linux 2.4.21-pre3-ac4

From: Benjamin Herrenschmidt (benh@kernel.crashing.org)
Date: Mon Jan 13 2003 - 15:56:50 EST


On Mon, 2003-01-13 at 20:19, Ross Biro wrote:

> and read the alt status register to get a delay.
>
> This is technically a spec violation, but it's probably safe. I'm going
> to send an email to a couple of the drive manufacturers and see what
> they think.

Or get back to my original idea of an IOSYNC() callback in hwif. For
standard PCI controllers with DMA, it's enough to read the dma_status
register which is on the same bus path. Others will have to provide
some implementation or be unsafe on some non-x86. What do you think ?

Ben.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:47 EST